apod.nasa.gov
Astronomy Picture of the Day features a different space image or video each day, with an explanation by an astronomer and an archive of past entries.
Directory
Space & Astronomy
Explore Space & Astronomy resources in Education & Research.
images.nasa.gov
Images is an educational resource for documentaries, courses, books, reference material, or self-learning.
photojournal.jpl.nasa.gov
JPL Photojournal is an educational resource for documentaries, courses, books, reference material, or self-learning.
github.com
Keeptrack.space is a GitHub repository or organization with source code, releases, documentation, or project resources.
exoplanetarchive.ipac.caltech.edu
A service of the NASA Exoplanet Science Institute that hosts data on confirmed planets and candidates, including TESS, Kepler/K2 and JWST products. It provides search and query tools, mission data holdings, and AstroFetch, an AI assistant that answers natural-language questions using archive data.
nasa.gov
NASA is an educational resource for documentaries, courses, books, reference material, or self-learning.
rammb-slider.cira.colostate.edu
GOES-16 Satellite Imagery is an educational resource for documentaries, courses, books, reference material, or self-learning.
tothemoon.ser.asu.edu
March to the Moon is an educational resource for documentaries, courses, books, reference material, or self-learning.
youtube.com
Videos is a YouTube video, playlist, or channel resource for watching related tutorials or media.
reddit.com
r/Space points to a Reddit community or thread with discussion, updates, troubleshooting, or shared resources.
space.skyrocket.de
An online resource established in 1996 covering space missions, satellites, launch vehicles and related space exploration activities. It includes directories such as a list of currently available satellite platforms organized by country and manufacturer.
iss-sim.spacex.com
A SpaceX simulator that familiarizes users with the controls of the interface NASA astronauts use to manually pilot the Dragon 2 vehicle to the International Space Station. Users practice rotation and position controls, and docking succeeds when all green numbers are below 0.2 and the rate is below -0.2 m/s.
nasaspaceflight.com
NASASpaceFlight is an educational resource for documentaries, courses, books, reference material, or self-learning.
nextrocket.space
A website listing upcoming rocket launches to space, with an overview including launch time, payload and destination. It offers countdowns and filters by launch service provider, launch vehicle, payload, destination and date.
space-notices.com
Space Notices is an educational resource for documentaries, courses, books, reference material, or self-learning.
space.pointdynamics.com
Space Time is a browser-based 3D universe explorer built from astronomical catalogs, telescope surveys and computed motion. It covers the solar system, stars, deep-sky objects and the observed cosmic web in one continuous view, with no account required. It is free and requires no download.
space.com
Space.com is an educational resource for documentaries, courses, books, reference material, or self-learning.
spacebook.com
Spacebook helps find books, reading material, archives, or public-domain educational texts.
spaceengine.org
SpaceEngine is a virtual universe simulator for computers. Users can travel from star to star and galaxy to galaxy, landing on planets, moons and asteroids, and can alter the speed of time. Real celestial objects appear alongside procedurally generated regions based on scientific knowledge.
spaceflight-archive.com
Spaceflight Archive helps find books, reading material, archives, or public-domain educational texts.
spacefromspace.com
SpaceFromSpace is an archive of satellite imagery that includes declassified Cold War reconnaissance photographs and modern spaceport views. Images are stitched and georeferenced from raw USGS datasets and presented on interactive maps, with galleries covering declassified, spaceport and recently added scenes.
spacesim.co
SpaceSim is a free 3D space simulator that runs in a browser. It offers travel across the Solar System, time changes, source-backed worlds and postcards, along with journeys such as a grand tour of the Solar System, an ISS trajectory view and a procedural stellar laboratory for known stellar objects.
spacetelescopelive.org
SpaceTelescopeLive is an educational resource for documentaries, courses, books, reference material, or self-learning.
spaceweather.com
SpaceWeather.com presents news and information about solar flares, geomagnetic storms, auroras, meteor showers, and near-Earth asteroids. The page displays current solar wind speed and density, X-ray solar flare levels, the daily Sun image, sunspot number, auroral oval, planetary K-index, and interplanetary magnetic field data.
Compare listed projects
Details from each project's website. Open a listing for its full overview.
ExoplanetArchive
Features
- AstroFetch answers questions using archive data Source: exoplanetarchive.ipac.caltech.edu
ISS Sim to SPACEX
Limitations
- Successful docking is achieved when all green numbers are below 0.2 Source: iss-sim.spacex.com
Space Time
Features
- Free in your browser, with no account required Source: space.pointdynamics.com
SpaceEngine
Features
- landing on any planet, moon, or asteroid Source: spaceengine.org
- alter the speed of time Source: spaceengine.org